10 Questions
During the setting reaction of Glass Ionomer Cement, which phase occurs when the powder and liquid are mixed?
Ion leaching phase
What is the purpose of adding tartaric acid to improve the manipulation of ASPA I?
To extend working time
Which component inhibits the ordering of the structure in the solution of polyacrylic acid when producing ASPA III?
Methylalcohol
What makes the copolymer of acrylic acid and itaconic acid synthesized by Wilson and Crisp less regular than simple polyacrylic acid?
Formation of intermolecular hydrogen bonds
Which phase occurs during the setting reaction of Glass Ionomer Cement when fluoride release is advantageous?
Ion leaching phase
What is the primary reason that ASPA I is described as unworkable?
Slow setting time
In Glass Ionomer Cement, what is the main role of fluoro-alumino-silicate particles combined with polyacrylic acid?
Provide fluoride release
Why can polycarboxylate cement not be used as a restorative material according to the text?
High solubility
What effect does adding methylalcohol have on the polyacrylic acid solution in producing ASPA III?
Inhibits ordering of structure
Which component contributes to the inherent adhesion to tooth structure in polycarboxylate cement?
Polyacrylic acid
Learn about the role of water in the setting reaction process and how it affects the setting time and strength. Explore the differences between polyacrylic acid and polymaleic acid in terms of structure and their impact on the setting reaction.
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